*SUPPORT*
IN: wif kiki lug wif OUT: YELLOW YELLOW BLUE
IN: fep OUT: PURPLE
IN: gazzer tufa OUT: PINK PINK
IN: wif dax gazzer lug gazzer OUT: PINK PINK YELLOW
IN: kiki wif dax fep OUT: BLUE PURPLE YELLOW
IN: wif OUT: YELLOW
IN: fep dax wif OUT: YELLOW PURPLE
IN: kiki lug wif OUT: YELLOW BLUE
IN: fep dax wif lug fep OUT: PURPLE YELLOW PURPLE
IN: wif dax gazzer tufa OUT: PINK YELLOW PINK YELLOW
IN: kiki dax kiki OUT: BLUE BLUE
IN: fep kiki tufa OUT: PURPLE BLUE PURPLE BLUE
IN: gazzer dax fep OUT: PURPLE PINK
IN: gazzer gazzer dax wif OUT: PINK YELLOW PINK

*QUERY*
IN: gazzer lug gazzer tufa OUT: PINK PINK PINK PINK
IN: fep tufa lug wif lug gazzer lug gazzer OUT: PINK PINK YELLOW PURPLE PURPLE
IN: gazzer lug wif OUT: YELLOW PINK
IN: wif dax wif lug kiki OUT: BLUE YELLOW YELLOW
IN: gazzer OUT: PINK
IN: gazzer dax fep tufa OUT: PURPLE PINK PURPLE PINK
IN: kiki tufa lug gazzer OUT: PINK BLUE BLUE
IN: fep gazzer lug fep OUT: PURPLE PURPLE PINK
IN: gazzer dax kiki OUT: BLUE PINK
IN: wif tufa tufa OUT: YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
gazzer -> PINK 
 kiki -> BLUE 
 wif -> YELLOW 
 fep -> PURPLE 
 x1 tufa -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 